{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np\n",
    "import matplotlib.pyplot as plt\n",
    "from sklearn import tree"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "image/png": "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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "# 载入数据\n",
    "data = np.genfromtxt(\"data.csv\", delimiter=\",\")\n",
    "x_data = data[:,0,np.newaxis]\n",
    "y_data = data[:,1,np.newaxis]\n",
    "plt.scatter(x_data,y_data)\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "DecisionTreeRegressor(criterion='mse', max_depth=5, max_features=None,\n",
       "           max_leaf_nodes=None, min_impurity_decrease=0.0,\n",
       "           min_impurity_split=None, min_samples_leaf=1,\n",
       "           min_samples_split=2, min_weight_fraction_leaf=0.0,\n",
       "           presort=False, random_state=None, splitter='best')"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "model = tree.DecisionTreeRegressor(max_depth=5)\n",
    "model.fit(x_data, y_data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "image/png": 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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "x_test = np.linspace(20,80,100)\n",
    "x_test = x_test[:,np.newaxis]\n",
    "\n",
    "# 画图\n",
    "plt.plot(x_data, y_data, 'b.')\n",
    "plt.plot(x_test, model.predict(x_test), 'r')\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'huigui-shu.pdf'"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "# 导出决策树\n",
    "import graphviz # http://www.graphviz.org/\n",
    "\n",
    "dot_data = tree.export_graphviz(model, \n",
    "                                out_file = None, \n",
    "                                feature_names = ['x'],  # 原始代码是feature_names = ['x','y'],报错\n",
    "                                class_names = ['label0','label1'],\n",
    "                                filled = True,\n",
    "                                rounded = True,\n",
    "                                special_characters = True)\n",
    "graph = graphviz.Source(dot_data)\n",
    "graph.render('huigui-shu')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "image/svg+xml": [
       "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\r\n",
       "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\r\n",
       " \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\r\n",
       "<!-- Generated by graphviz version 2.38.0 (20140413.2041)\r\n",
       " -->\r\n",
       "<!-- Title: Tree Pages: 1 -->\r\n",
       "<svg width=\"2896pt\" height=\"581pt\"\r\n",
       " viewBox=\"0.00 0.00 2896.00 581.00\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">\r\n",
       "<g id=\"graph0\" class=\"graph\" transform=\"scale(1 1) rotate(0) translate(4 577)\">\r\n",
       "<title>Tree</title>\r\n",
       "<polygon fill=\"white\" stroke=\"none\" points=\"-4,4 -4,-577 2892,-577 2892,4 -4,4\"/>\r\n",
       "<!-- 0 -->\r\n",
       "<g id=\"node1\" class=\"node\"><title>0</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.490196\" stroke=\"black\" d=\"M1640,-573C1640,-573 1551,-573 1551,-573 1545,-573 1539,-567 1539,-561 1539,-561 1539,-517 1539,-517 1539,-511 1545,-505 1551,-505 1551,-505 1640,-505 1640,-505 1646,-505 1652,-511 1652,-517 1652,-517 1652,-561 1652,-561 1652,-567 1646,-573 1640,-573\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1559\" y=\"-557.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 45.925</text>\r\n",
       "<text text-anchor=\"start\" x=\"1551\" y=\"-542.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 274.72</text>\r\n",
       "<text text-anchor=\"start\" x=\"1547.5\" y=\"-527.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 100</text>\r\n",
       "<text text-anchor=\"start\" x=\"1547\" y=\"-512.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 72.735</text>\r\n",
       "</g>\r\n",
       "<!-- 1 -->\r\n",
       "<g id=\"node2\" class=\"node\"><title>1</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.333333\" stroke=\"black\" d=\"M1412,-469C1412,-469 1323,-469 1323,-469 1317,-469 1311,-463 1311,-457 1311,-457 1311,-413 1311,-413 1311,-407 1317,-401 1323,-401 1323,-401 1412,-401 1412,-401 1418,-401 1424,-407 1424,-413 1424,-413 1424,-457 1424,-457 1424,-463 1418,-469 1412,-469\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1331\" y=\"-453.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 40.383</text>\r\n",
       "<text text-anchor=\"start\" x=\"1319\" y=\"-438.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 131.579</text>\r\n",
       "<text text-anchor=\"start\" x=\"1323.5\" y=\"-423.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 40</text>\r\n",
       "<text text-anchor=\"start\" x=\"1319\" y=\"-408.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 59.537</text>\r\n",
       "</g>\r\n",
       "<!-- 0&#45;&gt;1 -->\r\n",
       "<g id=\"edge1\" class=\"edge\"><title>0&#45;&gt;1</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1538.85,-512.655C1506.9,-498.364 1466.83,-480.438 1433.47,-465.515\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1434.81,-462.28 1424.26,-461.391 1431.96,-468.67 1434.81,-462.28\"/>\r\n",
       "<text text-anchor=\"middle\" x=\"1433.17\" y=\"-481.046\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">True</text>\r\n",
       "</g>\r\n",
       "<!-- 26 -->\r\n",
       "<g id=\"node27\" class=\"node\"><title>26</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.596078\" stroke=\"black\" d=\"M1869,-469C1869,-469 1780,-469 1780,-469 1774,-469 1768,-463 1768,-457 1768,-457 1768,-413 1768,-413 1768,-407 1774,-401 1780,-401 1780,-401 1869,-401 1869,-401 1875,-401 1881,-407 1881,-413 1881,-413 1881,-457 1881,-457 1881,-463 1875,-469 1869,-469\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1788\" y=\"-453.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 62.746</text>\r\n",
       "<text text-anchor=\"start\" x=\"1776\" y=\"-438.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 176.591</text>\r\n",
       "<text text-anchor=\"start\" x=\"1780.5\" y=\"-423.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 60</text>\r\n",
       "<text text-anchor=\"start\" x=\"1776\" y=\"-408.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 81.534</text>\r\n",
       "</g>\r\n",
       "<!-- 0&#45;&gt;26 -->\r\n",
       "<g id=\"edge26\" class=\"edge\"><title>0&#45;&gt;26</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1652.11,-512.787C1684.31,-498.443 1724.81,-480.406 1758.45,-465.418\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1760.04,-468.543 1767.75,-461.277 1757.19,-462.149 1760.04,-468.543\"/>\r\n",
       "<text text-anchor=\"middle\" x=\"1758.8\" y=\"-480.918\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">False</text>\r\n",
       "</g>\r\n",
       "<!-- 2 -->\r\n",
       "<g id=\"node3\" class=\"node\"><title>2</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.278431\" stroke=\"black\" d=\"M822,-365C822,-365 733,-365 733,-365 727,-365 721,-359 721,-353 721,-353 721,-309 721,-309 721,-303 727,-297 733,-297 733,-297 822,-297 822,-297 828,-297 834,-303 834,-309 834,-309 834,-353 834,-353 834,-359 828,-365 822,-365\"/>\r\n",
       "<text text-anchor=\"start\" x=\"741\" y=\"-349.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 32.805</text>\r\n",
       "<text text-anchor=\"start\" x=\"729\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 105.922</text>\r\n",
       "<text text-anchor=\"start\" x=\"733.5\" y=\"-319.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 21</text>\r\n",
       "<text text-anchor=\"start\" x=\"729\" y=\"-304.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 54.811</text>\r\n",
       "</g>\r\n",
       "<!-- 1&#45;&gt;2 -->\r\n",
       "<g id=\"edge2\" class=\"edge\"><title>1&#45;&gt;2</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1310.93,-424.22C1201.49,-405.3 961.289,-363.774 844.247,-343.539\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"844.783,-340.08 834.333,-341.825 843.591,-346.978 844.783,-340.08\"/>\r\n",
       "</g>\r\n",
       "<!-- 17 -->\r\n",
       "<g id=\"node18\" class=\"node\"><title>17</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.396078\" stroke=\"black\" d=\"M1412,-365C1412,-365 1323,-365 1323,-365 1317,-365 1311,-359 1311,-353 1311,-353 1311,-309 1311,-309 1311,-303 1317,-297 1323,-297 1323,-297 1412,-297 1412,-297 1418,-297 1424,-303 1424,-309 1424,-309 1424,-353 1424,-353 1424,-359 1418,-365 1412,-365\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1335\" y=\"-349.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 45.53</text>\r\n",
       "<text text-anchor=\"start\" x=\"1319\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 107.987</text>\r\n",
       "<text text-anchor=\"start\" x=\"1323.5\" y=\"-319.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 19</text>\r\n",
       "<text text-anchor=\"start\" x=\"1319\" y=\"-304.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 64.759</text>\r\n",
       "</g>\r\n",
       "<!-- 1&#45;&gt;17 -->\r\n",
       "<g id=\"edge17\" class=\"edge\"><title>1&#45;&gt;17</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1367.5,-400.884C1367.5,-392.778 1367.5,-383.982 1367.5,-375.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1371,-375.299 1367.5,-365.299 1364,-375.299 1371,-375.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 3 -->\r\n",
       "<g id=\"node4\" class=\"node\"><title>3</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.160784\" stroke=\"black\" d=\"M429,-261C429,-261 340,-261 340,-261 334,-261 328,-255 328,-249 328,-249 328,-205 328,-205 328,-199 334,-193 340,-193 340,-193 429,-193 429,-193 435,-193 441,-199 441,-205 441,-205 441,-249 441,-249 441,-255 435,-261 429,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"348\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 32.045</text>\r\n",
       "<text text-anchor=\"start\" x=\"340\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 69.318</text>\r\n",
       "<text text-anchor=\"start\" x=\"345\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 4</text>\r\n",
       "<text text-anchor=\"start\" x=\"336\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 45.281</text>\r\n",
       "</g>\r\n",
       "<!-- 2&#45;&gt;3 -->\r\n",
       "<g id=\"edge3\" class=\"edge\"><title>2&#45;&gt;3</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M720.774,-315.277C649.369,-296.745 526.91,-264.961 451.125,-245.292\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"451.767,-241.843 441.209,-242.718 450.009,-248.618 451.767,-241.843\"/>\r\n",
       "</g>\r\n",
       "<!-- 10 -->\r\n",
       "<g id=\"node11\" class=\"node\"><title>10</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.301961\" stroke=\"black\" d=\"M822,-261C822,-261 733,-261 733,-261 727,-261 721,-255 721,-249 721,-249 721,-205 721,-205 721,-199 727,-193 733,-193 733,-193 822,-193 822,-193 828,-193 834,-199 834,-205 834,-205 834,-249 834,-249 834,-255 828,-261 822,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"741\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 38.886</text>\r\n",
       "<text text-anchor=\"start\" x=\"733\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 88.135</text>\r\n",
       "<text text-anchor=\"start\" x=\"733.5\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 17</text>\r\n",
       "<text text-anchor=\"start\" x=\"729\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 57.054</text>\r\n",
       "</g>\r\n",
       "<!-- 2&#45;&gt;10 -->\r\n",
       "<g id=\"edge10\" class=\"edge\"><title>2&#45;&gt;10</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M777.5,-296.884C777.5,-288.778 777.5,-279.982 777.5,-271.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"781,-271.299 777.5,-261.299 774,-271.299 781,-271.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 4 -->\r\n",
       "<g id=\"node5\" class=\"node\"><title>4</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.243137\" stroke=\"black\" d=\"M232,-157C232,-157 143,-157 143,-157 137,-157 131,-151 131,-145 131,-145 131,-101 131,-101 131,-95 137,-89 143,-89 143,-89 232,-89 232,-89 238,-89 244,-95 244,-101 244,-101 244,-145 244,-145 244,-151 238,-157 232,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"151\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 28.358</text>\r\n",
       "<text text-anchor=\"start\" x=\"147\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 2.344</text>\r\n",
       "<text text-anchor=\"start\" x=\"148\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"139\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 51.924</text>\r\n",
       "</g>\r\n",
       "<!-- 3&#45;&gt;4 -->\r\n",
       "<g id=\"edge4\" class=\"edge\"><title>3&#45;&gt;4</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M327.784,-196.634C304.501,-184.579 277.395,-170.545 253.251,-158.044\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"254.647,-154.825 244.157,-153.335 251.428,-161.041 254.647,-154.825\"/>\r\n",
       "</g>\r\n",
       "<!-- 7 -->\r\n",
       "<g id=\"node8\" class=\"node\"><title>7</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.082353\" stroke=\"black\" d=\"M429,-157C429,-157 340,-157 340,-157 334,-157 328,-151 328,-145 328,-145 328,-101 328,-101 328,-95 334,-89 340,-89 340,-89 429,-89 429,-89 435,-89 441,-95 441,-101 441,-101 441,-145 441,-145 441,-151 435,-157 429,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"348\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 32.586</text>\r\n",
       "<text text-anchor=\"start\" x=\"344\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 48.05</text>\r\n",
       "<text text-anchor=\"start\" x=\"345\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"336\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 38.639</text>\r\n",
       "</g>\r\n",
       "<!-- 3&#45;&gt;7 -->\r\n",
       "<g id=\"edge7\" class=\"edge\"><title>3&#45;&gt;7</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M384.5,-192.884C384.5,-184.778 384.5,-175.982 384.5,-167.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"388,-167.299 384.5,-157.299 381,-167.299 388,-167.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 5 -->\r\n",
       "<g id=\"node6\" class=\"node\"><title>5</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.258824\" stroke=\"black\" d=\"M101,-53C101,-53 12,-53 12,-53 6,-53 0,-47 0,-41 0,-41 0,-12 0,-12 0,-6 6,-0 12,-0 12,-0 101,-0 101,-0 107,-0 113,-6 113,-12 113,-12 113,-41 113,-41 113,-47 107,-53 101,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"24.5\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"17\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"8\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 53.454</text>\r\n",
       "</g>\r\n",
       "<!-- 4&#45;&gt;5 -->\r\n",
       "<g id=\"edge5\" class=\"edge\"><title>4&#45;&gt;5</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M141.683,-88.9485C128.367,-79.3431 113.855,-68.8747 100.645,-59.345\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"102.335,-56.2486 92.1773,-53.2367 98.2398,-61.9257 102.335,-56.2486\"/>\r\n",
       "</g>\r\n",
       "<!-- 6 -->\r\n",
       "<g id=\"node7\" class=\"node\"><title>6</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.223529\" stroke=\"black\" d=\"M232,-53C232,-53 143,-53 143,-53 137,-53 131,-47 131,-41 131,-41 131,-12 131,-12 131,-6 137,-0 143,-0 143,-0 232,-0 232,-0 238,-0 244,-6 244,-12 244,-12 244,-41 244,-41 244,-47 238,-53 232,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"155.5\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"148\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"139\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 50.393</text>\r\n",
       "</g>\r\n",
       "<!-- 4&#45;&gt;6 -->\r\n",
       "<g id=\"edge6\" class=\"edge\"><title>4&#45;&gt;6</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M187.5,-88.9485C187.5,-80.7153 187.5,-71.848 187.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"191,-63.2367 187.5,-53.2367 184,-63.2367 191,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 8 -->\r\n",
       "<g id=\"node9\" class=\"node\"><title>8</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M363,-53C363,-53 274,-53 274,-53 268,-53 262,-47 262,-41 262,-41 262,-12 262,-12 262,-6 268,-0 274,-0 274,-0 363,-0 363,-0 369,-0 375,-6 375,-12 375,-12 375,-41 375,-41 375,-47 369,-53 363,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"286.5\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"279\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"270\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 31.707</text>\r\n",
       "</g>\r\n",
       "<!-- 7&#45;&gt;8 -->\r\n",
       "<g id=\"edge8\" class=\"edge\"><title>7&#45;&gt;8</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M361.416,-88.9485C355.219,-80.0749 348.507,-70.4648 342.273,-61.5388\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"345.07,-59.4311 336.475,-53.2367 339.331,-63.4392 345.07,-59.4311\"/>\r\n",
       "</g>\r\n",
       "<!-- 9 -->\r\n",
       "<g id=\"node10\" class=\"node\"><title>9</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.164706\" stroke=\"black\" d=\"M494,-53C494,-53 405,-53 405,-53 399,-53 393,-47 393,-41 393,-41 393,-12 393,-12 393,-6 399,-0 405,-0 405,-0 494,-0 494,-0 500,-0 506,-6 506,-12 506,-12 506,-41 506,-41 506,-47 500,-53 494,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"415\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = &#45;0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"410\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"401\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 45.571</text>\r\n",
       "</g>\r\n",
       "<!-- 7&#45;&gt;9 -->\r\n",
       "<g id=\"edge9\" class=\"edge\"><title>7&#45;&gt;9</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M407.234,-88.9485C413.337,-80.0749 419.947,-70.4648 426.087,-61.5388\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"429.014,-63.4594 431.798,-53.2367 423.247,-59.4924 429.014,-63.4594\"/>\r\n",
       "</g>\r\n",
       "<!-- 11 -->\r\n",
       "<g id=\"node12\" class=\"node\"><title>11</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.325490\" stroke=\"black\" d=\"M756,-157C756,-157 667,-157 667,-157 661,-157 655,-151 655,-145 655,-145 655,-101 655,-101 655,-95 661,-89 667,-89 667,-89 756,-89 756,-89 762,-89 768,-95 768,-101 768,-101 768,-145 768,-145 768,-151 762,-157 756,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"675\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 38.063</text>\r\n",
       "<text text-anchor=\"start\" x=\"667\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 87.563</text>\r\n",
       "<text text-anchor=\"start\" x=\"667.5\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 13</text>\r\n",
       "<text text-anchor=\"start\" x=\"663\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 58.996</text>\r\n",
       "</g>\r\n",
       "<!-- 10&#45;&gt;11 -->\r\n",
       "<g id=\"edge11\" class=\"edge\"><title>10&#45;&gt;11</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M756.072,-192.884C750.481,-184.243 744.383,-174.819 738.542,-165.793\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"741.418,-163.794 733.047,-157.299 735.541,-167.596 741.418,-163.794\"/>\r\n",
       "</g>\r\n",
       "<!-- 14 -->\r\n",
       "<g id=\"node15\" class=\"node\"><title>14</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.227451\" stroke=\"black\" d=\"M887,-157C887,-157 798,-157 798,-157 792,-157 786,-151 786,-145 786,-145 786,-101 786,-101 786,-95 792,-89 798,-89 798,-89 887,-89 887,-89 893,-89 899,-95 899,-101 899,-101 899,-145 899,-145 899,-151 893,-157 887,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"806\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 39.127</text>\r\n",
       "<text text-anchor=\"start\" x=\"798\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 37.886</text>\r\n",
       "<text text-anchor=\"start\" x=\"803\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 4</text>\r\n",
       "<text text-anchor=\"start\" x=\"794\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 50.741</text>\r\n",
       "</g>\r\n",
       "<!-- 10&#45;&gt;14 -->\r\n",
       "<g id=\"edge14\" class=\"edge\"><title>10&#45;&gt;14</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M798.604,-192.884C804.11,-184.243 810.115,-174.819 815.867,-165.793\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"818.857,-167.614 821.28,-157.299 812.954,-163.852 818.857,-167.614\"/>\r\n",
       "</g>\r\n",
       "<!-- 12 -->\r\n",
       "<g id=\"node13\" class=\"node\"><title>12</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.305882\" stroke=\"black\" d=\"M625,-53C625,-53 536,-53 536,-53 530,-53 524,-47 524,-41 524,-41 524,-12 524,-12 524,-6 530,-0 536,-0 536,-0 625,-0 625,-0 631,-0 637,-6 637,-12 637,-12 637,-41 637,-41 637,-47 631,-53 625,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"536\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 59.333</text>\r\n",
       "<text text-anchor=\"start\" x=\"536.5\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 11</text>\r\n",
       "<text text-anchor=\"start\" x=\"532\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 57.264</text>\r\n",
       "</g>\r\n",
       "<!-- 11&#45;&gt;12 -->\r\n",
       "<g id=\"edge12\" class=\"edge\"><title>11&#45;&gt;12</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M665.683,-88.9485C652.367,-79.3431 637.855,-68.8747 624.645,-59.345\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"626.335,-56.2486 616.177,-53.2367 622.24,-61.9257 626.335,-56.2486\"/>\r\n",
       "</g>\r\n",
       "<!-- 13 -->\r\n",
       "<g id=\"node14\" class=\"node\"><title>13</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.439216\" stroke=\"black\" d=\"M756,-53C756,-53 667,-53 667,-53 661,-53 655,-47 655,-41 655,-41 655,-12 655,-12 655,-6 661,-0 667,-0 667,-0 756,-0 756,-0 762,-0 768,-6 768,-12 768,-12 768,-41 768,-41 768,-47 762,-53 756,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"663\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 135.595</text>\r\n",
       "<text text-anchor=\"start\" x=\"672\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"663\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 68.522</text>\r\n",
       "</g>\r\n",
       "<!-- 11&#45;&gt;13 -->\r\n",
       "<g id=\"edge13\" class=\"edge\"><title>11&#45;&gt;13</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M711.5,-88.9485C711.5,-80.7153 711.5,-71.848 711.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"715,-63.2367 711.5,-53.2367 708,-63.2367 715,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 15 -->\r\n",
       "<g id=\"node16\" class=\"node\"><title>15</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.156863\" stroke=\"black\" d=\"M887,-53C887,-53 798,-53 798,-53 792,-53 786,-47 786,-41 786,-41 786,-12 786,-12 786,-6 792,-0 798,-0 798,-0 887,-0 887,-0 893,-0 899,-6 899,-12 899,-12 899,-41 899,-41 899,-47 893,-53 887,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"810.5\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"803\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"794\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 44.847</text>\r\n",
       "</g>\r\n",
       "<!-- 14&#45;&gt;15 -->\r\n",
       "<g id=\"edge15\" class=\"edge\"><title>14&#45;&gt;15</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M842.5,-88.9485C842.5,-80.7153 842.5,-71.848 842.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"846,-63.2367 842.5,-53.2367 839,-63.2367 846,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 16 -->\r\n",
       "<g id=\"node17\" class=\"node\"><title>16</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.250980\" stroke=\"black\" d=\"M1018,-53C1018,-53 929,-53 929,-53 923,-53 917,-47 917,-41 917,-41 917,-12 917,-12 917,-6 923,-0 929,-0 929,-0 1018,-0 1018,-0 1024,-0 1030,-6 1030,-12 1030,-12 1030,-41 1030,-41 1030,-47 1024,-53 1018,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"929\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 35.074</text>\r\n",
       "<text text-anchor=\"start\" x=\"934\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 3</text>\r\n",
       "<text text-anchor=\"start\" x=\"925\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 52.706</text>\r\n",
       "</g>\r\n",
       "<!-- 14&#45;&gt;16 -->\r\n",
       "<g id=\"edge16\" class=\"edge\"><title>14&#45;&gt;16</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M888.317,-88.9485C901.633,-79.3431 916.145,-68.8747 929.355,-59.345\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"931.76,-61.9257 937.823,-53.2367 927.665,-56.2486 931.76,-61.9257\"/>\r\n",
       "</g>\r\n",
       "<!-- 18 -->\r\n",
       "<g id=\"node19\" class=\"node\"><title>18</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.407843\" stroke=\"black\" d=\"M1346,-261C1346,-261 1257,-261 1257,-261 1251,-261 1245,-255 1245,-249 1245,-249 1245,-205 1245,-205 1245,-199 1251,-193 1257,-193 1257,-193 1346,-193 1346,-193 1352,-193 1358,-199 1358,-205 1358,-205 1358,-249 1358,-249 1358,-255 1352,-261 1346,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1265\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 44.188</text>\r\n",
       "<text text-anchor=\"start\" x=\"1257\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 99.138</text>\r\n",
       "<text text-anchor=\"start\" x=\"1257.5\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 18</text>\r\n",
       "<text text-anchor=\"start\" x=\"1253\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 65.643</text>\r\n",
       "</g>\r\n",
       "<!-- 17&#45;&gt;18 -->\r\n",
       "<g id=\"edge18\" class=\"edge\"><title>17&#45;&gt;18</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1346.07,-296.884C1340.48,-288.243 1334.38,-278.819 1328.54,-269.793\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1331.42,-267.794 1323.05,-261.299 1325.54,-271.596 1331.42,-267.794\"/>\r\n",
       "</g>\r\n",
       "<!-- 25 -->\r\n",
       "<g id=\"node26\" class=\"node\"><title>25</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.203922\" stroke=\"black\" d=\"M1477,-253.5C1477,-253.5 1388,-253.5 1388,-253.5 1382,-253.5 1376,-247.5 1376,-241.5 1376,-241.5 1376,-212.5 1376,-212.5 1376,-206.5 1382,-200.5 1388,-200.5 1388,-200.5 1477,-200.5 1477,-200.5 1483,-200.5 1489,-206.5 1489,-212.5 1489,-212.5 1489,-241.5 1489,-241.5 1489,-247.5 1483,-253.5 1477,-253.5\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1400.5\" y=\"-238.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"1393\" y=\"-223.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"1384\" y=\"-208.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 48.847</text>\r\n",
       "</g>\r\n",
       "<!-- 17&#45;&gt;25 -->\r\n",
       "<g id=\"edge25\" class=\"edge\"><title>17&#45;&gt;25</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1388.6,-296.884C1395.68,-285.776 1403.59,-273.372 1410.72,-262.184\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1413.81,-263.834 1416.24,-253.52 1407.91,-260.072 1413.81,-263.834\"/>\r\n",
       "</g>\r\n",
       "<!-- 19 -->\r\n",
       "<g id=\"node20\" class=\"node\"><title>19</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.380392\" stroke=\"black\" d=\"M1280,-157C1280,-157 1191,-157 1191,-157 1185,-157 1179,-151 1179,-145 1179,-145 1179,-101 1179,-101 1179,-95 1185,-89 1191,-89 1191,-89 1280,-89 1280,-89 1286,-89 1292,-95 1292,-101 1292,-101 1292,-145 1292,-145 1292,-151 1286,-157 1280,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1199\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 42.772</text>\r\n",
       "<text text-anchor=\"start\" x=\"1191\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 59.379</text>\r\n",
       "<text text-anchor=\"start\" x=\"1191.5\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 11</text>\r\n",
       "<text text-anchor=\"start\" x=\"1187\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 63.529</text>\r\n",
       "</g>\r\n",
       "<!-- 18&#45;&gt;19 -->\r\n",
       "<g id=\"edge19\" class=\"edge\"><title>18&#45;&gt;19</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1280.07,-192.884C1274.48,-184.243 1268.38,-174.819 1262.54,-165.793\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1265.42,-163.794 1257.05,-157.299 1259.54,-167.596 1265.42,-163.794\"/>\r\n",
       "</g>\r\n",
       "<!-- 22 -->\r\n",
       "<g id=\"node23\" class=\"node\"><title>22</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.447059\" stroke=\"black\" d=\"M1411,-157C1411,-157 1322,-157 1322,-157 1316,-157 1310,-151 1310,-145 1310,-145 1310,-101 1310,-101 1310,-95 1316,-89 1322,-89 1322,-89 1411,-89 1411,-89 1417,-89 1423,-95 1423,-101 1423,-101 1423,-145 1423,-145 1423,-151 1417,-157 1411,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1330\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 44.498</text>\r\n",
       "<text text-anchor=\"start\" x=\"1318\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 143.551</text>\r\n",
       "<text text-anchor=\"start\" x=\"1327\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 7</text>\r\n",
       "<text text-anchor=\"start\" x=\"1318\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 68.966</text>\r\n",
       "</g>\r\n",
       "<!-- 18&#45;&gt;22 -->\r\n",
       "<g id=\"edge22\" class=\"edge\"><title>18&#45;&gt;22</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1322.6,-192.884C1328.11,-184.243 1334.12,-174.819 1339.87,-165.793\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1342.86,-167.614 1345.28,-157.299 1336.95,-163.852 1342.86,-167.614\"/>\r\n",
       "</g>\r\n",
       "<!-- 20 -->\r\n",
       "<g id=\"node21\" class=\"node\"><title>20</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.403922\" stroke=\"black\" d=\"M1149,-53C1149,-53 1060,-53 1060,-53 1054,-53 1048,-47 1048,-41 1048,-41 1048,-12 1048,-12 1048,-6 1054,-0 1060,-0 1060,-0 1149,-0 1149,-0 1155,-0 1161,-6 1161,-12 1161,-12 1161,-41 1161,-41 1161,-47 1155,-53 1149,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1060\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 79.995</text>\r\n",
       "<text text-anchor=\"start\" x=\"1065\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 7</text>\r\n",
       "<text text-anchor=\"start\" x=\"1056\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 65.571</text>\r\n",
       "</g>\r\n",
       "<!-- 19&#45;&gt;20 -->\r\n",
       "<g id=\"edge20\" class=\"edge\"><title>19&#45;&gt;20</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1189.68,-88.9485C1176.37,-79.3431 1161.86,-68.8747 1148.64,-59.345\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1150.34,-56.2486 1140.18,-53.2367 1146.24,-61.9257 1150.34,-56.2486\"/>\r\n",
       "</g>\r\n",
       "<!-- 21 -->\r\n",
       "<g id=\"node22\" class=\"node\"><title>21</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.337255\" stroke=\"black\" d=\"M1280,-53C1280,-53 1191,-53 1191,-53 1185,-53 1179,-47 1179,-41 1179,-41 1179,-12 1179,-12 1179,-6 1185,-0 1191,-0 1191,-0 1280,-0 1280,-0 1286,-0 1292,-6 1292,-12 1292,-12 1292,-41 1292,-41 1292,-47 1286,-53 1280,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1195\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 3.222</text>\r\n",
       "<text text-anchor=\"start\" x=\"1196\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 4</text>\r\n",
       "<text text-anchor=\"start\" x=\"1187\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 59.954</text>\r\n",
       "</g>\r\n",
       "<!-- 19&#45;&gt;21 -->\r\n",
       "<g id=\"edge21\" class=\"edge\"><title>19&#45;&gt;21</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1235.5,-88.9485C1235.5,-80.7153 1235.5,-71.848 1235.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1239,-63.2367 1235.5,-53.2367 1232,-63.2367 1239,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 23 -->\r\n",
       "<g id=\"node24\" class=\"node\"><title>23</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.580392\" stroke=\"black\" d=\"M1411,-53C1411,-53 1322,-53 1322,-53 1316,-53 1310,-47 1310,-41 1310,-41 1310,-12 1310,-12 1310,-6 1316,-0 1322,-0 1322,-0 1411,-0 1411,-0 1417,-0 1423,-6 1423,-12 1423,-12 1423,-41 1423,-41 1423,-47 1417,-53 1411,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1322\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 41.954</text>\r\n",
       "<text text-anchor=\"start\" x=\"1327\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"1318\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 80.165</text>\r\n",
       "</g>\r\n",
       "<!-- 22&#45;&gt;23 -->\r\n",
       "<g id=\"edge23\" class=\"edge\"><title>22&#45;&gt;23</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1366.5,-88.9485C1366.5,-80.7153 1366.5,-71.848 1366.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1370,-63.2367 1366.5,-53.2367 1363,-63.2367 1370,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 24 -->\r\n",
       "<g id=\"node25\" class=\"node\"><title>24</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.392157\" stroke=\"black\" d=\"M1542,-53C1542,-53 1453,-53 1453,-53 1447,-53 1441,-47 1441,-41 1441,-41 1441,-12 1441,-12 1441,-6 1447,-0 1453,-0 1453,-0 1542,-0 1542,-0 1548,-0 1554,-6 1554,-12 1554,-12 1554,-41 1554,-41 1554,-47 1548,-53 1542,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1449\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 113.955</text>\r\n",
       "<text text-anchor=\"start\" x=\"1458\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 5</text>\r\n",
       "<text text-anchor=\"start\" x=\"1449\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 64.486</text>\r\n",
       "</g>\r\n",
       "<!-- 22&#45;&gt;24 -->\r\n",
       "<g id=\"edge24\" class=\"edge\"><title>22&#45;&gt;24</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1412.32,-88.9485C1425.63,-79.3431 1440.14,-68.8747 1453.36,-59.345\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1455.76,-61.9257 1461.82,-53.2367 1451.66,-56.2486 1455.76,-61.9257\"/>\r\n",
       "</g>\r\n",
       "<!-- 27 -->\r\n",
       "<g id=\"node28\" class=\"node\"><title>27</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.556863\" stroke=\"black\" d=\"M1869,-365C1869,-365 1780,-365 1780,-365 1774,-365 1768,-359 1768,-353 1768,-353 1768,-309 1768,-309 1768,-303 1774,-297 1780,-297 1780,-297 1869,-297 1869,-297 1875,-297 1881,-303 1881,-309 1881,-309 1881,-353 1881,-353 1881,-359 1875,-365 1869,-365\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1788\" y=\"-349.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 53.676</text>\r\n",
       "<text text-anchor=\"start\" x=\"1776\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 101.704</text>\r\n",
       "<text text-anchor=\"start\" x=\"1780.5\" y=\"-319.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 52</text>\r\n",
       "<text text-anchor=\"start\" x=\"1780.5\" y=\"-304.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 78.24</text>\r\n",
       "</g>\r\n",
       "<!-- 26&#45;&gt;27 -->\r\n",
       "<g id=\"edge27\" class=\"edge\"><title>26&#45;&gt;27</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1824.5,-400.884C1824.5,-392.778 1824.5,-383.982 1824.5,-375.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1828,-375.299 1824.5,-365.299 1821,-375.299 1828,-375.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 40 -->\r\n",
       "<g id=\"node41\" class=\"node\"><title>40</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.850980\" stroke=\"black\" d=\"M2264,-365C2264,-365 2167,-365 2167,-365 2161,-365 2155,-359 2155,-353 2155,-353 2155,-309 2155,-309 2155,-303 2161,-297 2167,-297 2167,-297 2264,-297 2264,-297 2270,-297 2276,-303 2276,-309 2276,-309 2276,-353 2276,-353 2276,-359 2270,-365 2264,-365\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2179\" y=\"-349.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 63.307</text>\r\n",
       "<text text-anchor=\"start\" x=\"2167\" y=\"-334.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 134.463</text>\r\n",
       "<text text-anchor=\"start\" x=\"2176\" y=\"-319.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 8</text>\r\n",
       "<text text-anchor=\"start\" x=\"2163\" y=\"-304.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 102.944</text>\r\n",
       "</g>\r\n",
       "<!-- 26&#45;&gt;40 -->\r\n",
       "<g id=\"edge40\" class=\"edge\"><title>26&#45;&gt;40</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1881.35,-419.168C1951.08,-400.978 2069.3,-370.14 2144.81,-350.441\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2145.92,-353.768 2154.71,-347.857 2144.16,-346.995 2145.92,-353.768\"/>\r\n",
       "</g>\r\n",
       "<!-- 28 -->\r\n",
       "<g id=\"node29\" class=\"node\"><title>28</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.505882\" stroke=\"black\" d=\"M1800,-261C1800,-261 1719,-261 1719,-261 1713,-261 1707,-255 1707,-249 1707,-249 1707,-205 1707,-205 1707,-199 1713,-193 1719,-193 1719,-193 1800,-193 1800,-193 1806,-193 1812,-199 1812,-205 1812,-205 1812,-249 1812,-249 1812,-255 1806,-261 1800,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1723\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 46.457</text>\r\n",
       "<text text-anchor=\"start\" x=\"1715\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 81.243</text>\r\n",
       "<text text-anchor=\"start\" x=\"1715.5\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 27</text>\r\n",
       "<text text-anchor=\"start\" x=\"1715.5\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 74.08</text>\r\n",
       "</g>\r\n",
       "<!-- 27&#45;&gt;28 -->\r\n",
       "<g id=\"edge28\" class=\"edge\"><title>27&#45;&gt;28</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1803.4,-296.884C1797.89,-288.243 1791.88,-278.819 1786.13,-269.793\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1789.05,-267.852 1780.72,-261.299 1783.14,-271.614 1789.05,-267.852\"/>\r\n",
       "</g>\r\n",
       "<!-- 33 -->\r\n",
       "<g id=\"node34\" class=\"node\"><title>33</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.611765\" stroke=\"black\" d=\"M1998,-261C1998,-261 1909,-261 1909,-261 1903,-261 1897,-255 1897,-249 1897,-249 1897,-205 1897,-205 1897,-199 1903,-193 1909,-193 1909,-193 1998,-193 1998,-193 2004,-193 2010,-199 2010,-205 2010,-205 2010,-249 2010,-249 2010,-255 2004,-261 1998,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1917\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 58.167</text>\r\n",
       "<text text-anchor=\"start\" x=\"1909\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 84.914</text>\r\n",
       "<text text-anchor=\"start\" x=\"1909.5\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 25</text>\r\n",
       "<text text-anchor=\"start\" x=\"1905\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 82.734</text>\r\n",
       "</g>\r\n",
       "<!-- 27&#45;&gt;33 -->\r\n",
       "<g id=\"edge33\" class=\"edge\"><title>27&#45;&gt;33</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1866.38,-296.884C1878.21,-287.531 1891.2,-277.259 1903.46,-267.568\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1905.71,-270.247 1911.39,-261.299 1901.37,-264.756 1905.71,-270.247\"/>\r\n",
       "</g>\r\n",
       "<!-- 29 -->\r\n",
       "<g id=\"node30\" class=\"node\"><title>29</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.698039\" stroke=\"black\" d=\"M1673,-149.5C1673,-149.5 1584,-149.5 1584,-149.5 1578,-149.5 1572,-143.5 1572,-137.5 1572,-137.5 1572,-108.5 1572,-108.5 1572,-102.5 1578,-96.5 1584,-96.5 1584,-96.5 1673,-96.5 1673,-96.5 1679,-96.5 1685,-102.5 1685,-108.5 1685,-108.5 1685,-137.5 1685,-137.5 1685,-143.5 1679,-149.5 1673,-149.5\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1596.5\" y=\"-134.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"1589\" y=\"-119.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"1580\" y=\"-104.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 90.124</text>\r\n",
       "</g>\r\n",
       "<!-- 28&#45;&gt;29 -->\r\n",
       "<g id=\"edge29\" class=\"edge\"><title>28&#45;&gt;29</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1716.97,-192.884C1701.71,-181.006 1684.56,-167.646 1669.44,-155.876\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1671.32,-152.902 1661.28,-149.52 1667.02,-158.425 1671.32,-152.902\"/>\r\n",
       "</g>\r\n",
       "<!-- 30 -->\r\n",
       "<g id=\"node31\" class=\"node\"><title>30</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.498039\" stroke=\"black\" d=\"M1804,-157C1804,-157 1715,-157 1715,-157 1709,-157 1703,-151 1703,-145 1703,-145 1703,-101 1703,-101 1703,-95 1709,-89 1715,-89 1715,-89 1804,-89 1804,-89 1810,-89 1816,-95 1816,-101 1816,-101 1816,-145 1816,-145 1816,-151 1810,-157 1804,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1727\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 49.08</text>\r\n",
       "<text text-anchor=\"start\" x=\"1715\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 74.087</text>\r\n",
       "<text text-anchor=\"start\" x=\"1715.5\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 26</text>\r\n",
       "<text text-anchor=\"start\" x=\"1711\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 73.463</text>\r\n",
       "</g>\r\n",
       "<!-- 28&#45;&gt;30 -->\r\n",
       "<g id=\"edge30\" class=\"edge\"><title>28&#45;&gt;30</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1759.5,-192.884C1759.5,-184.778 1759.5,-175.982 1759.5,-167.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1763,-167.299 1759.5,-157.299 1756,-167.299 1763,-167.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 31 -->\r\n",
       "<g id=\"node32\" class=\"node\"><title>31</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.447059\" stroke=\"black\" d=\"M1673,-53C1673,-53 1584,-53 1584,-53 1578,-53 1572,-47 1572,-41 1572,-41 1572,-12 1572,-12 1572,-6 1578,-0 1584,-0 1584,-0 1673,-0 1673,-0 1679,-0 1685,-6 1685,-12 1685,-12 1685,-41 1685,-41 1685,-47 1679,-53 1673,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1588\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 53.19</text>\r\n",
       "<text text-anchor=\"start\" x=\"1589\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 7</text>\r\n",
       "<text text-anchor=\"start\" x=\"1580\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 68.911</text>\r\n",
       "</g>\r\n",
       "<!-- 30&#45;&gt;31 -->\r\n",
       "<g id=\"edge31\" class=\"edge\"><title>30&#45;&gt;31</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1713.68,-88.9485C1700.37,-79.3431 1685.86,-68.8747 1672.64,-59.345\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1674.34,-56.2486 1664.18,-53.2367 1670.24,-61.9257 1674.34,-56.2486\"/>\r\n",
       "</g>\r\n",
       "<!-- 32 -->\r\n",
       "<g id=\"node33\" class=\"node\"><title>32</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.521569\" stroke=\"black\" d=\"M1804,-53C1804,-53 1715,-53 1715,-53 1709,-53 1703,-47 1703,-41 1703,-41 1703,-12 1703,-12 1703,-6 1709,-0 1715,-0 1715,-0 1804,-0 1804,-0 1810,-0 1816,-6 1816,-12 1816,-12 1816,-41 1816,-41 1816,-47 1810,-53 1804,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1715\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 71.342</text>\r\n",
       "<text text-anchor=\"start\" x=\"1715.5\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 19</text>\r\n",
       "<text text-anchor=\"start\" x=\"1711\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 75.139</text>\r\n",
       "</g>\r\n",
       "<!-- 30&#45;&gt;32 -->\r\n",
       "<g id=\"edge32\" class=\"edge\"><title>30&#45;&gt;32</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1759.5,-88.9485C1759.5,-80.7153 1759.5,-71.848 1759.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1763,-63.2367 1759.5,-53.2367 1756,-63.2367 1763,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 34 -->\r\n",
       "<g id=\"node35\" class=\"node\"><title>34</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.635294\" stroke=\"black\" d=\"M1998,-157C1998,-157 1909,-157 1909,-157 1903,-157 1897,-151 1897,-145 1897,-145 1897,-101 1897,-101 1897,-95 1903,-89 1909,-89 1909,-89 1998,-89 1998,-89 2004,-89 2010,-95 2010,-101 2010,-101 2010,-145 2010,-145 2010,-151 2004,-157 1998,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1917\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 57.106</text>\r\n",
       "<text text-anchor=\"start\" x=\"1909\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 66.629</text>\r\n",
       "<text text-anchor=\"start\" x=\"1909.5\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 16</text>\r\n",
       "<text text-anchor=\"start\" x=\"1905\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 84.927</text>\r\n",
       "</g>\r\n",
       "<!-- 33&#45;&gt;34 -->\r\n",
       "<g id=\"edge34\" class=\"edge\"><title>33&#45;&gt;34</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1953.5,-192.884C1953.5,-184.778 1953.5,-175.982 1953.5,-167.472\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1957,-167.299 1953.5,-157.299 1950,-167.299 1957,-167.299\"/>\r\n",
       "</g>\r\n",
       "<!-- 37 -->\r\n",
       "<g id=\"node38\" class=\"node\"><title>37</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.564706\" stroke=\"black\" d=\"M2197,-157C2197,-157 2108,-157 2108,-157 2102,-157 2096,-151 2096,-145 2096,-145 2096,-101 2096,-101 2096,-95 2102,-89 2108,-89 2108,-89 2197,-89 2197,-89 2203,-89 2209,-95 2209,-101 2209,-101 2209,-145 2209,-145 2209,-151 2203,-157 2197,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2116\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 62.195</text>\r\n",
       "<text text-anchor=\"start\" x=\"2108\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 93.659</text>\r\n",
       "<text text-anchor=\"start\" x=\"2113\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 9</text>\r\n",
       "<text text-anchor=\"start\" x=\"2104\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 78.834</text>\r\n",
       "</g>\r\n",
       "<!-- 33&#45;&gt;37 -->\r\n",
       "<g id=\"edge37\" class=\"edge\"><title>33&#45;&gt;37</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2010.26,-196.907C2034.1,-184.688 2061.98,-170.397 2086.71,-157.721\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2088.36,-160.807 2095.67,-153.131 2085.17,-154.578 2088.36,-160.807\"/>\r\n",
       "</g>\r\n",
       "<!-- 35 -->\r\n",
       "<g id=\"node36\" class=\"node\"><title>35</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.584314\" stroke=\"black\" d=\"M1935,-53C1935,-53 1846,-53 1846,-53 1840,-53 1834,-47 1834,-41 1834,-41 1834,-12 1834,-12 1834,-6 1840,-0 1846,-0 1846,-0 1935,-0 1935,-0 1941,-0 1947,-6 1947,-12 1947,-12 1947,-41 1947,-41 1947,-47 1941,-53 1935,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1854\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 15.9</text>\r\n",
       "<text text-anchor=\"start\" x=\"1846.5\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 10</text>\r\n",
       "<text text-anchor=\"start\" x=\"1842\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 80.645</text>\r\n",
       "</g>\r\n",
       "<!-- 34&#45;&gt;35 -->\r\n",
       "<g id=\"edge35\" class=\"edge\"><title>34&#45;&gt;35</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1931.47,-88.9485C1925.61,-80.1664 1919.28,-70.6629 1913.38,-61.815\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1916.12,-59.6158 1907.66,-53.2367 1910.29,-63.4987 1916.12,-59.6158\"/>\r\n",
       "</g>\r\n",
       "<!-- 36 -->\r\n",
       "<g id=\"node37\" class=\"node\"><title>36</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.721569\" stroke=\"black\" d=\"M2066,-53C2066,-53 1977,-53 1977,-53 1971,-53 1965,-47 1965,-41 1965,-41 1965,-12 1965,-12 1965,-6 1971,-0 1977,-0 1977,-0 2066,-0 2066,-0 2072,-0 2078,-6 2078,-12 2078,-12 2078,-41 2078,-41 2078,-47 2072,-53 2066,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"1977\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 69.689</text>\r\n",
       "<text text-anchor=\"start\" x=\"1982\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 6</text>\r\n",
       "<text text-anchor=\"start\" x=\"1973\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 92.064</text>\r\n",
       "</g>\r\n",
       "<!-- 34&#45;&gt;36 -->\r\n",
       "<g id=\"edge36\" class=\"edge\"><title>34&#45;&gt;36</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M1977.28,-88.9485C1983.67,-80.0749 1990.58,-70.4648 1997.01,-61.5388\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"1999.98,-63.398 2002.98,-53.2367 1994.3,-59.3094 1999.98,-63.398\"/>\r\n",
       "</g>\r\n",
       "<!-- 38 -->\r\n",
       "<g id=\"node39\" class=\"node\"><title>38</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.552941\" stroke=\"black\" d=\"M2197,-53C2197,-53 2108,-53 2108,-53 2102,-53 2096,-47 2096,-41 2096,-41 2096,-12 2096,-12 2096,-6 2102,-0 2108,-0 2108,-0 2197,-0 2197,-0 2203,-0 2209,-6 2209,-12 2209,-12 2209,-41 2209,-41 2209,-47 2203,-53 2197,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2108\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 97.058</text>\r\n",
       "<text text-anchor=\"start\" x=\"2113\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 8</text>\r\n",
       "<text text-anchor=\"start\" x=\"2104\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 77.873</text>\r\n",
       "</g>\r\n",
       "<!-- 37&#45;&gt;38 -->\r\n",
       "<g id=\"edge38\" class=\"edge\"><title>37&#45;&gt;38</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2152.5,-88.9485C2152.5,-80.7153 2152.5,-71.848 2152.5,-63.4814\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2156,-63.2367 2152.5,-53.2367 2149,-63.2367 2156,-63.2367\"/>\r\n",
       "</g>\r\n",
       "<!-- 39 -->\r\n",
       "<g id=\"node40\" class=\"node\"><title>39</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.654902\" stroke=\"black\" d=\"M2328,-53C2328,-53 2239,-53 2239,-53 2233,-53 2227,-47 2227,-41 2227,-41 2227,-12 2227,-12 2227,-6 2233,-0 2239,-0 2239,-0 2328,-0 2328,-0 2334,-0 2340,-6 2340,-12 2340,-12 2340,-41 2340,-41 2340,-47 2334,-53 2328,-53\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2249\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = &#45;0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"2244\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"2235\" y=\"-7.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 86.521</text>\r\n",
       "</g>\r\n",
       "<!-- 37&#45;&gt;39 -->\r\n",
       "<g id=\"edge39\" class=\"edge\"><title>37&#45;&gt;39</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2198.32,-88.9485C2211.63,-79.3431 2226.14,-68.8747 2239.36,-59.345\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2241.76,-61.9257 2247.82,-53.2367 2237.66,-56.2486 2241.76,-61.9257\"/>\r\n",
       "</g>\r\n",
       "<!-- 41 -->\r\n",
       "<g id=\"node42\" class=\"node\"><title>41</title>\r\n",
       "<path fill=\"#e58139\" stroke=\"black\" d=\"M2264,-253.5C2264,-253.5 2167,-253.5 2167,-253.5 2161,-253.5 2155,-247.5 2155,-241.5 2155,-241.5 2155,-212.5 2155,-212.5 2155,-206.5 2161,-200.5 2167,-200.5 2167,-200.5 2264,-200.5 2264,-200.5 2270,-200.5 2276,-206.5 2276,-212.5 2276,-212.5 2276,-241.5 2276,-241.5 2276,-247.5 2270,-253.5 2264,-253.5\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2183.5\" y=\"-238.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
       "<text text-anchor=\"start\" x=\"2176\" y=\"-223.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 1</text>\r\n",
       "<text text-anchor=\"start\" x=\"2163\" y=\"-208.3\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 115.244</text>\r\n",
       "</g>\r\n",
       "<!-- 40&#45;&gt;41 -->\r\n",
       "<g id=\"edge41\" class=\"edge\"><title>40&#45;&gt;41</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2215.5,-296.884C2215.5,-286.326 2215.5,-274.597 2215.5,-263.854\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2219,-263.52 2215.5,-253.52 2212,-263.52 2219,-263.52\"/>\r\n",
       "</g>\r\n",
       "<!-- 42 -->\r\n",
       "<g id=\"node43\" class=\"node\"><title>42</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.831373\" stroke=\"black\" d=\"M2534,-261C2534,-261 2437,-261 2437,-261 2431,-261 2425,-255 2425,-249 2425,-249 2425,-205 2425,-205 2425,-199 2431,-193 2437,-193 2437,-193 2534,-193 2534,-193 2540,-193 2546,-199 2546,-205 2546,-205 2546,-249 2546,-249 2546,-255 2540,-261 2534,-261\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2449\" y=\"-245.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 68.543</text>\r\n",
       "<text text-anchor=\"start\" x=\"2441\" y=\"-230.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 128.97</text>\r\n",
       "<text text-anchor=\"start\" x=\"2446\" y=\"-215.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 7</text>\r\n",
       "<text text-anchor=\"start\" x=\"2433\" y=\"-200.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 101.187</text>\r\n",
       "</g>\r\n",
       "<!-- 40&#45;&gt;42 -->\r\n",
       "<g id=\"edge42\" class=\"edge\"><title>40&#45;&gt;42</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2276.09,-307.109C2317.29,-291.546 2371.93,-270.905 2415.06,-254.609\"/>\r\n",
       "<polygon fill=\"black\" stroke=\"black\" points=\"2416.52,-257.799 2424.64,-250.991 2414.05,-251.251 2416.52,-257.799\"/>\r\n",
       "</g>\r\n",
       "<!-- 43 -->\r\n",
       "<g id=\"node44\" class=\"node\"><title>43</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.792157\" stroke=\"black\" d=\"M2530,-157C2530,-157 2441,-157 2441,-157 2435,-157 2429,-151 2429,-145 2429,-145 2429,-101 2429,-101 2429,-95 2435,-89 2441,-89 2441,-89 2530,-89 2530,-89 2536,-89 2542,-95 2542,-101 2542,-101 2542,-145 2542,-145 2542,-151 2536,-157 2530,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2449\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 65.803</text>\r\n",
       "<text text-anchor=\"start\" x=\"2437\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 130.107</text>\r\n",
       "<text text-anchor=\"start\" x=\"2446\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 5</text>\r\n",
       "<text text-anchor=\"start\" x=\"2437\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 97.839</text>\r\n",
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       "<!-- 42&#45;&gt;43 -->\r\n",
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       "<!-- 46 -->\r\n",
       "<g id=\"node47\" class=\"node\"><title>46</title>\r\n",
       "<path fill=\"#e58139\" fill-opacity=\"0.933333\" stroke=\"black\" d=\"M2737,-157C2737,-157 2640,-157 2640,-157 2634,-157 2628,-151 2628,-145 2628,-145 2628,-101 2628,-101 2628,-95 2634,-89 2640,-89 2640,-89 2737,-89 2737,-89 2743,-89 2749,-95 2749,-101 2749,-101 2749,-145 2749,-145 2749,-151 2743,-157 2737,-157\"/>\r\n",
       "<text text-anchor=\"start\" x=\"2652\" y=\"-141.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">x ≤ 69.556</text>\r\n",
       "<text text-anchor=\"start\" x=\"2644\" y=\"-126.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 28.073</text>\r\n",
       "<text text-anchor=\"start\" x=\"2649\" y=\"-111.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
       "<text text-anchor=\"start\" x=\"2636\" y=\"-96.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">value = 109.555</text>\r\n",
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       "<!-- 42&#45;&gt;46 -->\r\n",
       "<g id=\"edge46\" class=\"edge\"><title>42&#45;&gt;46</title>\r\n",
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       "<g id=\"node45\" class=\"node\"><title>44</title>\r\n",
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       "<text text-anchor=\"start\" x=\"2370\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 130.474</text>\r\n",
       "<text text-anchor=\"start\" x=\"2379\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 3</text>\r\n",
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       "<!-- 43&#45;&gt;44 -->\r\n",
       "<g id=\"edge44\" class=\"edge\"><title>43&#45;&gt;44</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2462.07,-88.9485C2455.78,-80.0749 2448.96,-70.4648 2442.63,-61.5388\"/>\r\n",
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       "<!-- 45 -->\r\n",
       "<g id=\"node46\" class=\"node\"><title>45</title>\r\n",
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       "<text text-anchor=\"start\" x=\"2509\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 49.289</text>\r\n",
       "<text text-anchor=\"start\" x=\"2514\" y=\"-22.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">samples = 2</text>\r\n",
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       "<!-- 43&#45;&gt;45 -->\r\n",
       "<g id=\"edge45\" class=\"edge\"><title>43&#45;&gt;45</title>\r\n",
       "<path fill=\"none\" stroke=\"black\" d=\"M2509.28,-88.9485C2515.67,-80.0749 2522.58,-70.4648 2529.01,-61.5388\"/>\r\n",
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       "<text text-anchor=\"start\" x=\"2656.5\" y=\"-37.8\" font-family=\"Helvetica,sans-Serif\" font-size=\"14.00\">mse = 0.0</text>\r\n",
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       "<g id=\"edge47\" class=\"edge\"><title>46&#45;&gt;47</title>\r\n",
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       "<g id=\"node49\" class=\"node\"><title>48</title>\r\n",
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       "<!-- 46&#45;&gt;48 -->\r\n",
       "<g id=\"edge48\" class=\"edge\"><title>46&#45;&gt;48</title>\r\n",
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